[MPlayer-users] Slow down video stream but not audio stream in an M2TS file
houghi at houghi.org
Sun Jun 2 20:55:56 CEST 2013
On Sun, Jun 02, 2013 at 08:07:05PM +0200, Fabrice Delente wrote:
> I have put an original, unmodified file at
> http:// fabrice.delente.free.fr / 20130526_114330.m2ts
> It is 10 meg long, and shows the problem very clearly: the audio plays
> after the video has stopped, and the video is about 2x too fast.
Somehow mplayer things that it is 50 FPS and it playes at that speed:
houghi at penne : gmplayer 20130526_114330.m2ts
MPlayer dev-SVN-r35127-4.7-openSUSE Linux 12.3 (x86_64)-Packman (C)
2000-2012 MPlayer Team
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote
Loading extension-related profile 'vo.vdpau'
libavformat version 54.25.104 (internal)
TS file format detected.
VIDEO H264(pid=4113) AUDIO A52(pid=4352) NO SUBS (yet)! PROGRAM N. 1
FPS seems to be: 50.000000
ffmpeg shows me a rate of 25:
Input #0, mpegts, from '20130526_114330.m2ts':
Duration: 00:00:05.69, start: 0.366667, bitrate: 13737 kb/s
Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448),
yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 100
Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz,
stereo, s16, 192 kb/s
When you play it at 25, it works great.
Perhaps it was recorded at 50 and somehow it should have been transferd to
25, so it looks slower, but it was done in the wrong way? Just guessing
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